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Old 05-07-2012, 10:01 PM
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Quadrajet hookup to 200 4r

I have a 200 4r behind a 327 small block and have adjusted the tv cable as per instructions. Prior to adjusting the tv cable I felt that the trans was a bit sluggish and so checked the linkage and the adjustment. The picture shows the carb I have. The measurement between the throttle shaft pivot point and the "knobby" for the tv cable is 1.187. After setting the cable according to instructions (WOT and all that), I took the car for a test drive. The shift from 1-2 is harsh (15-20mph) and is delayed, the next shift is also delayed and the motor is reving before it shifts. This is completely different than what I had before. Would the measurement of 1.187 be that far out that would cause this harshness? I do know that the measurement is to be around 1.125, but I wonder whether the difference is the factor here? Should I back off the tension or is the tension on the cable not enough? Any clarification would be greatly appreciated.
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Old 05-07-2012, 11:26 PM
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I recently replaced my 200c tranny with a 200 4r and my tranny is acting almost the same way. My understanding is that if the tv cable is "set" correctly then you should be safe, which I know mine is set right. I have been driving it that way for a few thousand miles and I haven't had any problems yet. I don't have the lock up converter wired in yet and an old GM guy told me I would burn up 4th gear if i didn't use it. He said that the tranny operates at lower pressures in 4th because it relys on the lock up converter so if it's not hooked up you slowly burn your 4th gear clutches. It don't buy into any of it and once again my tranny has been in service for a few thousand miles without a lock up converter and with no problems. I'm not an expert on trannys but I have learned that a tv cable cannot be adjusted but only "set" to the correct wide open throttle position. I have herd of several guys that try to adjust there tv cable to make there tranny "act" differently but to only cook there tranny in a short period of time. I googled tv cable setting procedure and got a lot of good info on it, maybe this will help you.
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Old 05-08-2012, 01:30 AM
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It appears in your photo that there is slack in the cable at idle? there should be no slack. From my experience on my 700r-4
Brad...
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Old 05-08-2012, 02:01 AM
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Quote:
I don't have the lock up converter wired in yet and an old GM guy told me I would burn up 4th gear if i didn't use it. He said that the tranny operates at lower pressures in 4th because it relys on the lock up converter so if it's not hooked up you slowly burn your 4th gear clutches.
I don't know why he would say that. The 3/4 clutch pack is engaged whether in OD or not. Makes no difference to the transmission. Burning up the clutches comes from one thing, not enough line pressure for the throttle setting, thus the frictions and steels are slipping against each other. Also, every manual I've ran across says to tow in 4th not OD. So if that is the case there would be a lot of toasted tranny's. Just my 2 cents.

Keith
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